Finding the Fourth Proportional to 7,091.58, 10,630.42 and 2,646

Step by Step Solution

1. Step 1: Write the proportion equation
   7,091.58 : 10,630.42 = 2,646 : x
2. Step 2: Convert to fraction form
   7,091.58/10,630.42 = 2,646/x
3. Step 3: Cross multiply
   7,091.58x = 10,630.42 × 2,646
4. Step 4: Simplify right side
   7,091.58x = 28,128,091.32
5. Step 5: Solve for x
   x = 28,128,091.32/7,091.58
6. Step 6: Final answer
   x = 3,966.41